SPZ--8000 Digital Integrated Flight Control System
A28--1146--055
REV 2
Modes of Operation
8-14
The VOR NAV mode is cancelled by:
D Pushing the NAV button on the flight guidance controller
D Selecting go--around mode
D Selecting standby mode
D Selecting the heading lateral steering mode
D Coupling to the cross--side EHSI
D With the autopilot engaged, moving the turn knob out of detent
D Course change greater than 3 (except over station)
D Selecting a different NAV frequency or source.
FLIGHT MANAGEMENT SYSTEM (FMS) STEERING
If the FMS is selected as the navigation source on the display controller,
the NAV mode is flown as previously described, with the following
differences.
D Instead of using course error and radio deviation from the symbol
generator, a composite lateral steering command from the
navigation controller is used.
D This lateral steering command is lateral gain programmed in the
navigation computer and therefore is not gain programmed again in
the flight guidance controller .
D When FMS is selected as the navigation source on the display
controller to perform the NAV intercept, the mode annunciator on the
EADI is LNV (lateral navigation).
D A white LNV is displayed during the arm phase of operation. At
capture, LNV is displayed, as shown in Figure 8--11, and it flashes
for 5 seconds to annunciate the capture mode.
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